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ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#219955 | #4423. AMPPZ in the times of disease | 275307894a | RE | 0ms | 0kb | C++14 | 1.5kb | 2023-10-19 20:09:15 | 2023-10-19 20:09:16 |
answer
#include<bits/stdc++.h>
#define Gc() getchar()
#define Me(x,y) memset(x,y,sizeof(x))
#define Mc(x,y) memcpy(x,y,sizeof(x))
#define d(x,y) ((m)*(x-1)+(y))
#define R(n) (rnd()%(n)+1)
#define Pc(x) putchar(x)
#define LB lower_bound
#define UB upper_bound
#define fi first
#define se second
#define eb emplace_back
using namespace std;using ll=long long;using db=double;using lb=long db;using ui=unsigned;using ull=unsigned long long;using pii=pair<int,int>;using LL=__uint128_t;
const int N=3e4+5,M=N*20+5,K=600+5,mod=998244353,Mod=mod-1;const db eps=1e-6;const int INF=1e9+7;mt19937 rnd(263082);
int n,k,fa[N],X[N],Y[N],col[N];
ll dist(int x,int y){return 1ll*(X[x]-X[y])*(X[x]-X[y])+1ll*(Y[x]-Y[y])*(Y[x]-Y[y]);}
pii MIN(pii x,pii y){return dist(x.fi,x.se)<dist(y.fi,y.se)?x:y;}
int GF(int x){return fa[x]^x?fa[x]=GF(fa[x]):x;}
void Solve(){
int i,j,h;scanf("%d%d",&n,&k);
for(i=1;i<=n;i++) scanf("%d%d",&X[i],&Y[i]);
iota(fa+1,fa+n+1,1);
vector<int> scc;
for(i=1;i<=k;i++) scc.eb(i);
for(i=k+1;i<=n;i++){
scc.eb(i);
pair<int,int> ans={scc[0],scc[1]};
for(j=0;j<scc.size();j++) for(h=j+1;h<scc.size();h++) ans=MIN(ans,make_pair(scc[j],scc[h]));
fa[GF(ans.se)]=GF(ans.fi);for(j=0;j<scc.size();j++) if(scc[j]==ans.se) {scc.erase(scc.begin()+j);break;}
}
for(i=1;i<=n;i++) {
for(j=0;j<scc.size();j++) if(GF(scc[j])==GF(i)) {printf("%d ",j+1);break;}
}
printf("\n");
}
int main(){
int t=1;
scanf("%d",&t);
while(t--) Solve();
cerr<<clock()*1.0/CLOCKS_PER_SEC<<'\n';
}
详细
Test #1:
score: 0
Runtime Error
input:
100 100000 20 270505 510725 245104 76414 131477 992924 781607 895592 562469 622976 564354 637966 980036 112090 522903 687218 113871 977855 6615 123673 13847 347618 657794 165707 420561 183995 11367 136391 507836 694877 985069 105115 774110 486921 14319 338715 774937 118145 981468 99089 803866 491315...